495315

素因数分解:

$3^4\times 5^1\times {\mathrm{1223}}^1$

素因数の和:1240

約数の個数: 20

約数和(自身を含む): 888624

約数和(自身を除く): 393309

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1223, 3669, 6115, 11007, 18345, 33021, 55035, 99063, 165105, 495315]

約数ペア:

[(1, 495315), (3, 165105), (5, 99063), (9, 55035), (15, 33021), (27, 18345), (45, 11007), (81, 6115), (135, 3669), (405, 1223)]